Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Chimney Company in La Mirada, CA
Most chimney repair work in La Mirada comes down to one thing: 60-year-old masonry that’s quietly failing even when nobody’s using the fireplace. We’re Walnut Chimney, and we’ve served La Mirada since 2017. The homes off La Mirada Boulevard and around Biola were built when a fireplace was standard in every living room, but decades of thermal cycling, Santa Ana winds, and minor seismic movement have cracked mortar crowns, loosened flashings, and damaged flue tiles in chimneys that only get lit a few times a year. If you’re seeing water stains on the ceiling near the chimney or noticing brick debris in the firebox, call us at (855) 341-3461 and we’ll tell you exactly what’s going on.
Why La Mirada Homes Are Different
La Mirada is a mid-century planned suburb, and that single fact shapes nearly every chimney job we do here. Most of the housing stock across the 90638 and 90639 ZIP codes went up in the 1950s and 1960s: single-story tract homes and ranch houses built with original brick masonry fireplaces and clay-tile flues. Those systems are now 60 to 70 years old. The climate rarely produces heavy creosote, because these fireplaces sit idle through most of the year in a warm, dry Mediterranean pattern. What it does produce is dry-rot of mortar and flashings. When the Santa Anas blow through, wind-driven debris finds its way into caps and crowns. When a cold snap finally hits, a homeowner lights the first fire in months, and that thermal shock exposes cracks that have been quietly forming for years.
There’s a specific failure mode we see over and over in the older tracts near La Mirada Boulevard: original 1950s mortar crowns that have cracked and pulled away from the flue tile. It shows up even in chimneys that haven’t held a fire in years. The crown cracks, water seeps in during the rare winter storm, and the freeze-thaw cycle (mild here, but still present) widens the gap. That’s the real La Mirada chimney problem: not soot, but slow structural degradation in a climate that lets it hide until it becomes a repair job.
Styles & brands we work with





Our Main La Mirada Services
The two calls we get most from La Mirada homeowners are chimney sweeping and dryer vent cleaning, and they’re often booked together because both are about removing fire hazards from the same house.
Chimney Sweep in La Mirada
A Chimney Sweep in La Mirada is less about heavy creosote and more about inspecting what decades of disuse have left behind. In the 1950s brick fireplaces common here, we’re looking for spalled brick, cracked flue tile, and debris from deteriorated mortar. The sweep itself removes the light soot and any wind-blown material that’s settled in the flue, but the real value is the inspection: we’re checking the full path from firebox to cap for the degradation patterns that La Mirada’s climate and housing era create. A sweep takes about an hour, and afterward you’ll know whether your chimney is safe to use or needs repair before the next fire.

Dryer Vent Cleaning in La Mirada
Dryer Vent Cleaning in La Mirada is a service that matters more in these older homes than people expect. The NFPA cites dryers as a leading cause of home fires, and the short, sometimes convoluted vent runs in 1950s single-story houses make lint buildup a real hazard. Laundry rooms in these tract homes are often centrally located, which means longer vent paths and more places for lint to pack in. We treat dryer vent cleaning as a core safety service, not an add-on, and homeowners frequently book it alongside a chimney sweep so both fire hazards are handled in one visit.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Chimney Repair in La Mirada
Chimney repair in La Mirada is dominated by one job: fixing what 60 years of an arid, occasionally shaking climate has done to masonry and metal. The original 1950s brick fireplaces throughout the 90637, 90638, and 90639 ZIP codes were built well, but mortar crowns crack, flashings lift, and clay flue tiles break under thermal stress and minor seismic activity. What this means in practice is that most La Mirada repairs are not about creosote at all. They’re about water intrusion at the top of the chimney and structural degradation inside it. We repair what we find using professional-grade materials including HeatShield and DuraFlex, and every recommendation is backed by camera inspection you can see for yourself. If you need work done, Chimney Repair starts with a diagnosis we can show you, not a sales pitch.
Chimney Crown Repair
Signs you need it
Cracks in the mortar crown at the top of the chimney, visible from the ground or the roof, often showing as hairline fractures that widen after rain.
What it costs in La Mirada
Chimney crown repair in La Mirada typically costs between $150 and $400 for minor crack sealing, and up to $1,200 to $2,500 when the crown must be fully rebuilt.
How we do it
We remove the failed mortar from the crown, reset or replace any damaged flue tile at the top, and resurface the crown with a weather-resistant mortar mix that handles La Mirada’s thermal swings.
Chimney Flashing Repair
Signs you need it
Water stains on the ceiling near the chimney or drip marks on the fireplace wall after winter rains, which points to flashing that has lifted or corroded at the roof line.
What it costs in La Mirada
Flashing repair in La Mirada generally runs $200 to $500 for targeted resealing, and up to $750 to $1,500 when localized flashing sections need replacement.
How we do it
We inspect the flashing where the chimney meets the roof, remove the old sealant or damaged metal, and install either a proper counterflashing and step flashing system or fully replace the rusted section with new material.
Chimney Liner Installation
Signs you need it
Cracked or missing clay flue tiles visible during a camera inspection, often with loose tile fragments found in the firebox or smoke backing into the home.
What it costs in La Mirada
Chimney liner installation in La Mirada typically starts around $3,500 and runs to $7,000 or more, depending on flue height and whether a DuraFlex stainless steel liner is used.
How we do it
We run a camera through the flue to confirm the damage, then install a correctly sized stainless steel liner from the firebox to the cap, restoring a code-compliant path for smoke and gases.
Chimney Cap Installation
Signs you need it
Debris, leaves, or bird nesting in the flue, visible rust on an existing cap, or no cap at all on top of a chimney that’s open to Santa Ana wind-driven rain.
What it costs in La Mirada
Chimney cap installation in La Mirada generally costs $300 to $700 complete, depending on the cap type and whether any crown prep work is needed.
How we do it
We clear the flue opening, select a cap sized to your flue tile, and mount it securely with mechanical fasteners so it stays put through wind events and thermal expansion.
What Chimney Repair Costs in La Mirada
| Item | Typical range in La Mirada |
|---|---|
| Chimney crown repair | $150 – $2,500 |
| Chimney flashing repair | $200 – $1,500 |
| Chimney liner installation | $3,500 – $7,000+ |
| Chimney cap installation | $300 – $700 |
Does a cracked chimney crown mean I can’t use my fireplace?
Not always immediately, but it should get fixed before rain enters the flue. A cracked crown lets water into the masonry, and in La Mirada’s older brick chimneys that water accelerates spalling and can damage the liner. Call us for a camera inspection to see exactly where the crack sits.
Can you fix a chimney liner in a 60-year-old La Mirada house without rebuilding the whole chimney?
Yes, in most cases. We install a stainless steel liner like DuraFlex down the existing flue, which restores a safe exhaust path without tearing apart the brickwork. It’s the standard fix for clay-tile flues that have cracked with age.
Brands We Service in La Mirada
We work with professional-grade materials from DuraFlex, Famco, and Copperfield, and we keep common parts stocked for quick turnaround on La Mirada repair jobs. From the firebox to the cap, the right brand for the job matters. See our brands for the full list.
See the difference
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After
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AfterPricing for Chimney Company in La Mirada, CA
| Service | Typical range in La Mirada |
|---|---|
| Chimney sweep | $160 – $290 |
| Chimney inspection (Level 1) | $150 – $300 |
| Chimney inspection (Level 2 camera) | $300 – $500 |
| Chimney crown repair | $150 – $2,500 |
| Chimney flashing repair | $200 – $1,500 |
| Chimney cap installation | $300 – $700 |
| Chimney liner installation | $3,500 – $7,000+ |
| Dryer vent cleaning | $130 – $300 |
What pushes a price up in La Mirada is usually access and age. Roofs on 1950s ranch homes are low-pitched and sometimes fragile, and second-story additions near the 90638/90639 boundary mean taller ladder work. If your crown has been cracked for years, the repair scope is bigger than a fresh crack. We give you a flat price before any work begins, so you know exactly where things stand.
Neighborhoods We Serve in La Mirada
We work throughout La Mirada, from the original tracts near Biola University south to the newer townhome clusters near the county line. Most calls come from the 1950s subdivisions between La Mirada Boulevard and the 5 freeway, but we cover the whole city and surrounding streets without adding travel charges.
- The tracts around Biola University
- Neighborhoods off La Mirada Boulevard
- Foster Park and the adjacent ranch homes
- The townhome areas near the 90638/90639 boundary
- Gardenhill and the streets near the La Mirada Golf Course
For most La Mirada addresses, we can schedule within a few days of your call. Seasonal peaks around the holidays fill faster, so earlier is always better.
Service Area – Cities Near La Mirada
Walnut Chimney also serves the communities right next to La Mirada. If you’re in South Whittier, CA, East La Mirada, CA, Buena Park, CA, or Norwalk, CA, we can help with chimney and dryer vent work. Call us at (855) 341-3461 and we’ll get you on the schedule.
Serving La Mirada, CA — Our Local Coverage Area
We’re based in the La Mirada area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Chimney Company in La Mirada
Most La Mirada repair calls are scheduled within a few days. If you’ve got an active leak or visible crown damage, let us know when you call and we’ll prioritize the visit. We don’t promise same-day service, but we do work efficiently because most of our crew already covers this territory.
For standard repairs like crown sealing, flashing work, or cap installation, no permit is typically required. For a full liner installation or structural rebuild, La Mirada building codes may require a permit, and we’ll tell you at the estimate stage if that’s the case.
Yes. We work in 90637, 90638, and 90639, covering the entire city and the unincorporated edges near the county line. There’s no travel fee for any location inside the La Mirada service area.
If you’ve got a chimney that hasn’t been looked at in years, call Walnut Chimney at (855) 341-3461 for a free estimate. We’ll tell you what’s actually wrong, show you the evidence, and fix it with the right material for the job.
What happens when you call
- 1A real person answersNo phone trees — talk to a local chimney cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What La Mirada Customers Say
"Good work. The written inspection report took about a week to arrive after I asked for it, which was slower than I expected."
— Marco Flores"Fireplace had never drawn properly since we moved in. He found the damper was only opening halfway due to a bent linkage and fixed it in ten minutes."
— Elena Salazar"Liner was cracked in two places. He walked me through the repair options honestly, including the one that was cheaper for him and better for me."
— Megan Ackerman